The study of marrow obtained by sternal puncture has been in use at the Vancouver General Hospital since the appearance of the paper by Young and Osgood,1 and the method has proved of great value. Recently, however, the problem of interpretation of the picture presented by the marrow of pregnant women was raised when marrow was obtained for study from a woman aged 24 years, four months pregnant, with acute lead poisoning. Search of the literature failed to reveal any figures for the sternal marrow of healthy pregnant women, and most of the figures available for healthy persons were based on studies of men only.
The studies herein reported were undertaken with the object of providing normal standards for these groups.
MATERIAL AND METHODS OF THE VANCOUVER GENERAL HOSPITAL
—Forty pregnant women attending the outpatient maternity clinic of the Vancouver General Hospital were studied. None of these women
PITTS HH, PACKHAM EA. HEMATOLOGY OF STERNAL MARROW AND VENOUS BLOOD OF PREGNANT AND OF NONPREGNANT WOMEN. Arch Intern Med (Chic). 1939;64(3):471–482. doi:10.1001/archinte.1939.00190030064004
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